Centering construction.



PATENTED Nov. 13,1906.

A. L. A. HIMMBLWMGHT.' GBNTERING CONSTRUCTION,

No.. 83mm.

APPLICATION FILED MAR. Z9. 1905.

ABRAHAM L. li'iviltii'lliiiiliti/GHT,

THE NEW J fsa,... Mhz;

no. :525,52 i;

'i venir, n. ro

rseiri'on new Application filed March 29, 1965. Serial ilo. 252,372.

To til whom t nu@ concern.-

` Be it known that nnnnnii L. A.. Einiinnwinonr, a citizen oi the United States, residing at New York, county oi' New York, end State oi New -orlz, have invented certain new and useful Improvements in Centering Constructions, fully described and represented in the following specification end the accompanying drawings, forming a part of the saine.

This invention rela-tes especially to the construction of ireprooi1 iioors, ceilings, arches, and similar structures in which e teinporary framework or centering is used to slipport the niateriai of the structure during the makin .of the seme and during the setting ot the concrete or other plastic niete rial, if siicliplastic materiels be used, the object oi the invention being to provide e simple, cheap, end efficient centering construction adapted especially for making concrete crete being omitted at the right to show the construction. Fig. 2 is a section on the .one

2,0' Fig. 1 looking to the right. Fig. 8 is a section similiar to Figli, showing the coin- .pleteconstruction with the centering re inoved andthe plaster finish eppiied.

shows e modii'ied forni ci centering. iig. 5

is a detail o't' the extensible biiolr` or top bai' of the centering. Fig. 6 is a perspective view of the clip of Fig. d.

Referring now particularly to Figs. l to 3 and 5, A represents 'the common flanged beams, and the floor is'shown es consisting of the ordinaryr web of concrete B at the tops of the beams, the bodies of concrete C extendy ing downward along-thewebs oic 'the .beams end varound and under the bottoni iienges of the beanis, so.4 that thebeenis areovered and protected on their n ndeisides by e snlcstenn which extend across ,gerry 4depeiidinfg "breoesft, l .t opposite ends,

iti-l lever oi concrete. The concrete siirrounding tlie'lower langes oi the beeins is supported by the clips D, placed on the beninu iienges et suitable distances, so es to permit the concrete to be worked under the beam and eroiind the ciips in iilling it in. These' clips D are preferably of the form shown, being provided with pairs oi' arms preferably of the icrin shown, and consist of narrownietel plates extending under the beams and slit et their opposite ends, so es to provide pairs erins 2 3, extending' below the benin, which erins ere respectivelj,T inclined out-werd and inward and hooked, es shown, and which arms 2 3 ere embedded in the concrete filled in below the besnis end strongly support the letter'. These clins are used to su' port the centering es follows: The soiit oard E, made inthree parte or slotted :it intervals op osite the clins es `referred issn" orti l 1 if ed below the beeins and clips by hangers, shown es wires Li, looped eronnd the arms i of `the clips D and extending 'downward through the soiiit-ooard E and around metal A the Seibt-board E in line with the clips, the ends oi the wires being twisted together below the bands 5,

so to thais support the soiiitdioerd E. 'A

These bends Sere preierebiy iieltround steel rods, nailed or screwed to the bottom oic the soiit-boerd and acting to strengthen, es well es snpportythe latter.

rigidlyT in proper position Upon the soiiitfa board it, et opposite sides ci tne beerns, ere

supported theheiincli-boerds F of the .een-- tering, which; extend along the .beamsand ceive the benin-protection concrete. These haiincli-boards F are held in place at their upper edges and the sip f port ior-tne'top centering-boerds', provide By th is twisting the, 85 ends oi the Wires d together the soffitooerd maybe drawn up tight the errns 2 3 of the clips il? end the soiit-bosrd thus heldA ,with theV sot-boerd E form a trough to ref.

oy bricks or top bers Cf, of snclrlengtlijes to extend between thehaunolkboerds oi successive beeins, end these bi clrs G are provided with metal hooks; w i h hook over tops et the'heunw 1 1 L ooe-ros, the buone al, being held rigidly in.' positie .ith bannen-boards et inolinesdet I d hennchboardsthns which me nailed, to the buck in proper posi- "ton :1115i :Lgztirmt which the hannah-boards W rfa: so itt the 'Muslime of thse Lmas tr terminos 3c incline ot' the hwinch-boards F tim, gaat.. being; of such 1011 as 'tu h y -mumUhm Thu hmuxnfhoad riff Stimmen 'to th?, Mde, :1 of thv? bands Whit.,

fit-humid E to the hzmuchbmctfi; 7 iw pusitifm with ti' l them.

for this purpose, as shown, 'fot-mad. of tw@ bats 10 .1,hed together by metal Yimlds 2, 'windt me Secuzfai to the bars t0 ,huid thm 3712 i ed postmn by nails 01 Screws .5, by zo 'emovmg ch the bars may be movfzd m.

1 1 Hader? t Just th@ length of the bums, :u

are theupassed though the sots 26, SQ as to ma supportsd by the clip-arms and the usual metal "milling of woven. Wim mf petto-- rated nwtaf is suviportm'l from the Geing hat s by ties m" gtwerwswu and the plaster ut" the veiling :itmlifad on the mudar side of this i 'in auch ceiingwnstsf nimm. ation is especial@ intended. u tion with concrete opmm p Stic ma-tmz., Wh'ieh t0 ne :[ed mwund and und l hommes of the like., it wil be u11derfha: b-@adm fcatules; at the inve cftba also lu building brick, tilepm by which the centering may readiy and quckjg be pad. in position and l'emovcd.-

What .t claim l. The com bnutim with Hauged beams, of engaging' th@ 4bottom on both of tu@ Mmm and hzwng arms extendmg bfi( w the Mmm, a, soltJmfud wow the luf-ams nmug; :t meutmngsuppwrt, hmlgms supp( tm. by said Cjs a ml extending;- thlough the samt-board :md by which they tet-4 t wit-board 2S suppmtvd, and :1 voutc'rng sup ported m; mi V The i @Hit-board.

huwtwn, Hnge@ beams, nt

SMN of' mcwhenvms having; ixmliuml and .dow thc 'ummm to' tactumytt St y i i 3. A gmt mamut @Mps n; the bottmu P.; njas m1 but/h :sift-grs; @i ne; und having; mums miam!- iug kvk w t .111, a :zuit-bmm below 'the @anni amd Support (mrd, hauts whming ha ud houiicd over the mp LNNUKS, :md Centeingnu Wit 1 mums wf clips;

S. und @Hitmix-boards U i uit ummsio rhlus of' the The cfausbiuntosl with flanged beaune, uf ,k y this bottom hl-nge on both tu@ hmm*- :md awmg arms {Humaiht-bmud bluw the Support, hang-cfs md xtndmg TTG vIG

tlu'ou h the solt-boerd and by which the f soflit- )Gard is supported, heun.ebboards eX- tending along the beam and sup orted edge- Wise on the solit-boa-rtl, extensL le bucks or bars extending between the bemns and I booked over the top edges of the lieunohj boards) and centering-boards on the bars. 6; The combination it-l1 the beams A, of l cli s on. the bottom flanges of the beams, l l

so it-boards E below the beams, hangers supported by the clips and passing tlnougli the sotlit-board and Secured about supports extendnw across the solit-boerd, haunchy boards l* on'tbe soft-boarde, extensible bucks G having hooks 6 and braces 7 oonneeti ing the hannah-boards, and centering-boards on the bucks.

The bauuob-bmmls i?, connected by the extensible buck G, formed with the sliding bars 10, 1l, hooks 6 booked over the top edges of tbe hannah-lwards and braces 7 forming y sujports 'for the hannah-boards.

n testimony whereof l have hereunto set my lmml in the presence ol two subscribing witnesses.

Alllhll'lillll l1. lllill'lllllllWllGl'l.

/Vitnessos J. A.. GRAVES,

l. J'. SAWYER. 

